本题目来源于试卷: newnewnewnew，类别为 IB物理学
[问答题]
Two rock climbers, Bill and Karenqvhhze4t-hk*xyii 95pa0-- b, tv4lup; noz.x3.;fp4 fu6 bnbuse safety ropes of similar length. Karen's rope is more elastic, called a dynamic rope by climbers. Bill has a static rope, not recommended for safety purposes in pro climbing. Karen falls freely about 2.0 m and then the rope stops her over a distance of 1.0 m (Fig. 463). (a) Estimate, assuming that the force is constant, how large a force she will feel from the rope. (Ex tz xuonp. .l 64n;fu3f;pb4bvpress the result in multiples of her weight.) (b) In a similar fall, Bill's rope stretches by 30 cm only. How many times his weight will the rope pull on him? Which climber is more likely to be hurt?
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